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Unstructured road detection is a key step of the Unmanned Guided Vehicle (UGV) system for road following. In traditional methods, kinds of features are combined to improve the effect, but few of them explains the reason to choose feature descriptors. In this paper, we try to find a way that how to choose...

The diffusion function of Aubert TV model does not satisfy the second-best condition, we improve the diffusion function to get better image restoration results. Experiments results show that the new model overcome the staircase effect in smooth area and preserving significant image details in the high...

Research the design method of mobile AR to display the culture of Records of the Historian and play a digital inheritance and protection role for the culture of Records of the Historian. Analyze the design principles of AR technology applied to the culture of Records of the Historian, take the highly...

More and more M&A cases are emerging in our country, the number and account are constantly flushing the record.What`s more, the urban companies have begun to merge overseas ,especially for BAT(Baidu, Alibaba, Tencent).In 2014,Tencent has bid for a nationwide with its $21.4 billion proposal to buy 15%...

In this paper, the iterative Retinex algorithm is improved to handle dynamic range compression problems. Based on the analysis of the McCann-Sobel algorithm, the iterative smoothing operation can be interpreted as an asymmetric diffusion. In order to characterized the sharp discontinuities in illumination,...

The diversified operation of the agricultural listed companies can reduce the business risk of the enterprises to some extent，so as to have an impact on the capital cost of the enterprises . This paper studies the relationship between diversification and capital cost of agricultural listed companies....

The article at the beginning analyses the significance of establishing collaborative management information system in copper companies. Then, the hierarchical structure and the mutual synergic relationship of the system are put forward. What’s more, the characteristics of the system are elaborated. In...

As one of the effective ways to mitigate earthquake hazards, earthquake early warning (EEW) has been studies by many countries and regions around the world and significant mitigation effectiveness has been achieved during practical application. However, the data format for real-time data transmission...

As an excellent tear agent of the second generation, CS has been widely used in the police department of many countries. CS disperses the crowd depending on the aerosol in the air due to combustion and explosion. And at the same time, CS decomposes into a variety of products. With the use of TG/DSC-FITR...

Context-aware applications can sense and explore the context of production processes to provide proper and useful services to managers in workshop. Firstly, a multi-level ontology model of materials is found which is expressed in OWL as an ontology collection of describing places ages and events and...

As a national intangible culture heritage, the Hakka Tea-leaf Picking Opera in northern Guangdong has formed an artistic feature of “Sanzi”. Through the investigation to some Tea-leaf Picking Operas in Nanxiong, Wongyuan etc. of Shaoguan City, it is easy to find that with remarkable achievements, Hakka...

With the rapid development of the digital economy, the demand for highly skilled talents continues to grow, and the importance of vocational education has become increasingly prominent. This paper takes the Intelligent Manufacturing College and the Information Engineering College of Guangdong Innovation...

In view of the fact that the traditional risk evaluation model has the problem of repeated indexes when evaluating the risk of stock exchange market, this paper uses random forest and two-way LSTM model to evaluate and study the risk model of stock exchange market. Firstly, random forest method is used...

In this paper, According to the idea SIFT algorithm, proposed an improved algorithm ORB. Based on the multi-scale space, detecting scale space extreme points, then use the ORB descriptors to describe the feature points, generated descriptors having rotating invariability. Using Hamming distance to achieve...

In recent years, our country has hosted many large sports activities such as the Olympic Games in Beijing and Guangzhou national games. Large sports activities not only show sports technical level, but increase the enthusiasm of Chinese residents in participating in physical exercise. The larger number...

Sanguis draconis is a precious traditional Chinese medicine, but it is not soluble in water, and it is difficult to use in type of injection. Sanguis draconis has a low bioavailability, because the coarse particles of draconis can be absorbed very little. In present research, solid dispersions of sanguis...

Rheological characteristics of bitumen can describe the resistance of bitumen to temperature variation and traffic loading well, which is linked to the in-service behavior of actual bituminous pavement. Modern theory of mortar denotes the study on rheological property of mortar is an important role to...

Digital media specialty originated in Europe and America early but was introduced into China really late. Being a new specialty in China, digital media specialty has developed rapidly in recent years in order to meet the huge market demand. As a result, an increasing number of prestigious universities,...

PWM type switching power supply with high efficiency and energy saving features is very suitable for portable electronic devices, and has been widely used in the fields of communication, computer and other fields. The PWM control link in the switch power chip is the key and the core of the technology....

To provide a amplitude, frequency programmable current signal with high precision for fault detection of 10kv rural power line this paper presented a high precision current signal source using DDS (Direct Digital Frequency Synthesis) technology. The system includes two parts which are signal generator...

Our country has always been adhering to Marxism as the guiding ideology of the state, requiring people to Marxism as their spiritual beliefs. But in today’s society people’s thought is also happening in diverse cultures changing, some misunderstanding of Marxist belief. The misreading is very detrimental...

In this study, La0.6Ce0.2Pr0.05Nd0.15Ni3.55Co0.3Mn0.4Al0.3(Cu0.96Be0.04)0.45 alloy was heat treated for 4 h in argon atmosphere at 923, 1023, and 1123 K, respectively. The results of scanning electron microscopy indicated that surface morphology of the heat-treated alloys changed significantly. Before...

With the influence of economic globalization, we demand many talented people as a huge adjustment lever on education. Taking Dalian soft park for example, It has carried on the investigation and Analysis on the demand of Japanese enterprises to Japanese bookkeeping talents. It has great importance for...

The fatigue performance study of high-strength engineering machinery steel is of great significance, as they often bear the reciprocating cycle load, which prone to fatigue fracture damage. Recently, the requirement of fatigue test of kinds of high grade steel is increasing rapidly. However, the existing...

As the process of globalization is accelerating and the world today is becoming increasingly competitive, English learning meets the demand of self-development and social progress. Traditional Summative assessment cannot meet today’s demand of English teaching. A more comprehensive way, Formative Assessment...

It is a very interesting question whether there are cognitive differences when subjects recognizing scenes and histograms. To address this issue, the study using eye tracking investigated the saccade distance, fixation duration, fixation count, mean fixation duration and pupil diameter when people recognizing...

With the development of technology, people is in the form of access to knowledge is constantly changing. The network course intelligent question answering system has become the hotspot and difficulty in the field of natural language processing. It not only integrates the present advanced technology,...

The paper proposed a control method based on the electro-hydraulic servo loading system used on the bearing test rig for aircraft engine. Aiming at the nonlinear problem of the system, a control method is designed based on RBF neural network. This method uses the BRF algorithm of neural network on the...

Through the statistics on brand category of tea, tea enterprises and cooperatives, tea output value, per capita income of tea farmers in tea industry of Mengla County, and qualitative and quantitative analysis by use of Excel and CiteSpace software, this paper proposed the problems existing in the development...

To solve the increasingly prominent energy problem, improve the efficiency of energy utilization and reduce energy waste, the state has staged a series of policy laws and regulations to support energy conservation and environmental protection and to develop the energy services. As energy service suppliers,...

With the deepening reform of higher vocational education, industry-education integration has become a core approach to improving the quality of talent development. Currently, the Engineering Practice Innovation Project (EPIP) concept focuses on real-world project-driven, engineering practice-oriented,...

Aspect-Oriented Software Architecture (AOA) is a high-level abstraction and integration blueprint of aspectual component-based software. A semantic model of aspectual component-based software is proposed to provide behavior description and semantic foundation for the consistency verification of software...

This research takes the 8 grade of Z middle school in H Province as the research object, adopts Reid’s learning-style tendency questionnaire, analyzes it through SPSS17.0 software, describes and analyzes the learner’s style tendency from the aspect of learning-style, and explores the relationship between...

Multi-chip architectures have been a focal point not only in high-performance computing but also in the new generation of embedded systems. For point-to-point topology, high latency and low bandwidth are always found in existing chip-to-chip protocols. This prevents the efficiency of information communication...

Urban lakes are important water body for a city. It plays an important role in the climate regulation and ecological environment construction of the city, and it is a true reflection of ecology culture for the city. However, with the rapid development of socialism modernize build of China, how to keep...

According to the movement relationships and geometric relationships of cylindrical roller bearing parts, the mathematical model of the radial runout of bearing outer ring is established. The principle of algorithm for the radial runout of bearing outer ring is analyzed. Numerical simulation of the motion...

The peridynamic is a kind of unique theory which can deal with continuous models, defect of crack and particles in a single framework. It does this by formulating problems in terms of integro-differential equation rather than partial differential equations. This theory can be used to investigate the...

Although the way to ensure the quality of education has always been a concern, the teaching quality does not entirely determine educational outcomes, and there are many reasons related to students themselves that need to be taken into account. In this way, the influencing factors of student achievement...

The hot ductility behavior of two kinds of 800MPa grade Ti/Nb-added weathering steel has been investigated by using Gleeble3500 thermo-mechanical simulator. The tensile strength (TS) and reduction in area (RA) were acquired to draw hot ductility curve and hot strength curve. SEM fractographs and microstructures...

The 0.36(Bi(1-x)Cex)ScO3-0.64PbTiO3 (x = 0.01-0.10) ceramics were prepared by using conventional mixed oxide ceramic processing, and the effect of Ce addition on the BiScO3-PbTiO3 (BSPT) system was investigated. The results of X-ray diffraction show that lower stability of the perovskite phase is produced...

Martin Blödt first introduced that the modulation mode between fundamental frequency of rotor vibration, which is caused by bearing faults, and fundamental frequency of stator current is phase modulation. This paper accomplished the theoretical derivation about the impact of bearing fault on stator current...

According to the characteristics of the course of electrical control professional control theory, the concept of engineering education is used to design, implement and run the system throughout the teaching process. All the thinking and design of teaching design, teaching method, teaching method and...

At present, the relevant studies mostly focus on the CCI of service industry in reality, while pay less attention to the CCI of the production and service industries in virtual environment. Basing on the China's real estate industry, this study explored the components of electronic CCI (ECCI). Moreover,...

The current feature for motor carried with natural mixed eccentricity and bearing fault is merely focused even though it is very important for motor online diagnosis. Considering both of the air-gap length change and torque vibration caused by bearing fault, the stator current expression were deduced...

Gelatinization equipment need to resist temperature interference amplifier circuit. When the ambient temperature increases, although the collector current increases, but the partial bias amplifier circuit to make adjustments quickly to suppress the increase in the trend, making the collector current...

A national park’s network attention reflects its development, interest and potential demand. This paper uses the 2017–2023 Baidu Search Index to investigate the network attention of China’s first five national parks. To achieve this, the study employs index analysis, spatial visualisation, and geo-detectors.The...

Risk assessment is a critical step for the robust operation of an information system. We incorporate machine learning and statistical theory together in risk recognition and evaluation to accommodate the dynamic and complex characters of information systems. first, SVM classifier is employed to recognize...

Food material heating equipment need to resist temperature interference amplifier circuit. Although the collector current has increased when the ambient temperature rises, but the partial amplifier circuit to make adjustments quickly to suppress the increase in the trend, making the collector current...

A large-scale complex project, which has the characteristics of a long time limit, large scale and great investment, needs the cooperation from many parties so that it can be achieved effectively. Selecting cooperative partners scientifically is the point to form a strategic alliance and carry out a...

Based on the provincial data of China from 2011 to 2021, this paper constructs the provincial digital development level evaluation system under environmental regulation, uses the entropy right method-TOPSIS to calculate its digital development level, and finally uses the broken analysis layer to analyze...